N-Phenylaniline
Anilinobenzene
N,N-Diphenylamine
N-Phenylbenzamine
C12H11N / C6H5NHC6H5
Molecular mass: 169.2
ICSC # 0466
CAS # 122-39-4
RTECS # JJ7800000
UN # 3077
EC # 612-026-00-5
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, alcohol-resistant foam, water spray, carbon dioxide.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
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•Skin
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Redness.
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety goggles
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Rinse with plenty of water (remove contact lenses if easily possible).
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•Ingestion
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Sore throat.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give one or two glasses of water to drink.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Personal protection: P2 filter respirator for harmful particles.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting,
then remove to safe place.
Do NOT let this chemical enter the environment.
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Provision to contain effluent from fire extinguishing.
Separated from
strong acids,
oxidants
.
Store in an area without drain or sewer access.
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marine pollutant.
T symbol
N symbol
R: 23/24/25-33-50/53
S: 1/2-28-36/37-45-60-61
UN Hazard Class: 9
UN Packing Group: III
Signal: Warning
May be harmful if swallowed
May be harmful in contact with skin
Toxic to aquatic life
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Important Data
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Physical State; Appearance:
COLOURLESS
CRYSTALS
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
The substance decomposes
on heating
or
on burning
producing
toxic fumes
including
nitrogen oxides
.
Reacts
with
strong oxidants
and
strong acids
.
Occupational Exposure Limits:
TLV: 10 mg/m3 as TWA; A4 (not classifiable as a human carcinogen); (ACGIH 2006).
MAK not established.
OSHA PEL: none
NIOSH REL: TWA 10 mg/m3
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation,
through the skin
and
by ingestion.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
kidneys
, resulting in impaired functions.
The substance may have effects on the
blood
, resulting in anaemia.
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Physical
Properties
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Boiling point: 302°C
Melting point: 53°C
Density: 1.2
g/cm3
Solubility in water: (very poor)
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Vapour pressure, Pa at 20°C: negligible
Relative vapour density (air = 1): 5.8
Flash point: 153°C c.c.
Auto-ignition temperature: 634°C
Octanol/water partition coefficient as log Pow: 3.5
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Environmental
Data
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The substance is toxic to aquatic organisms.
It is strongly advised that this substance does not enter the environment.
The substance may cause long-term effects in the aquatic environment.
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N O T E S
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Technical product may contain a carcinogenic impurity (4-aminobiphenyl).
Transport Emergency Card: TEC (R)-90GM7-III
NFPA Code: H2; F1; R0
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ADDITIONAL INFORMATION
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ICSC: 0466
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DIPHENYLAMINE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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